The Hose,air Duct, cataloged under National Stock Number 4720-01-117-9542, is classified within Federal Supply Class 4720 (Hose and Flexible Tubing) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4720-01-117-9542 |
| Primary Part Number | 149099-2 |
| Item Name | Hose,air Duct |
| FSC / FSG | 4720 / 47 — Hose and Flexible Tubing |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Measuring Method and Length | 13.000 INCHES NOMINAL OVERALL IN |
| Connection Type | PLAIN FIRST END |
| Style Designator | FULLY CONVOLUTED |
| Cross-Sectional Shape Style | ROUND |
| Wall Thickness | 0.080 INCHES NOMINAL IN |
| Inside Diameter | 0.750 INCHES NOMINAL FIRST END IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 149099-2 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
| Reference | Meaning |
|---|---|
| 149099 | D/9 Drawing number reference only Lockheed Martin Corp Electronics and Missiles Div |
| CH11-0261-002 | 5/9 Secondary reference Te Connectivity Corporation Dba Raychem Product Division |
NSN 4720-01-117-9542 is a Hose,air Duct, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 4720, Hose and Flexible Tubing. Status: active.
NSN 4720-01-117-9542 has 1 manufacturer part number on file: 149099-2 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 149099-2: Measuring Method and Length: 13.000 INCHES NOMINAL OVERALL IN; Connection Type: PLAIN FIRST END; Style Designator: FULLY CONVOLUTED; Cross-Sectional Shape Style: ROUND. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.